a very shaddy person with multiple levels of snake's depending on how many times they've been doing shaddy things and defferent levels of grass depending on how mischievous the most mischievous shaddy was

slithery slithery snake - will do a shadyy thing almost every day
slithery snake - with occasionally preform shaddy acts
snake - once or twice did something shaddy

tall ass grass - did the most mischievous thing ever

tall grass - did something more shaddy than most
grass - did something that on average snake in the grasses will do

Bobby - "Did u hear, Jake kidnap Ron and take him 3 hours away to the ocean without telling anyone"

Steve - "yeah Jake was a slithery snake in the grass but im pretty sure now he got upgraded to slithery slithery snake in tall ass grass"